#15186C#15186C

#15186C is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.141 H 271.3°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#15186C
RGB	rgb(21, 24, 108)
HSL	hsl(238, 67%, 25%)
HSV	hsv(238, 81%, 42%)
CMYK	cmyk(80.6%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(14.93, 30.50, -48.52)
CIE-LCH	lch(14.93, 57.31, 302.15°)
OKLab	oklab(27.95% 0.0032 -0.1405)
OKLCH	oklch(27.95% 0.141 271.3)
XYZ	xyz(3.3418, 1.8950, 14.3741)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15186C #6C6915

analogous

#15436C #15186C #3D156C

triadic

#15186C #6C1518 #186C15

tetradic

#15186C #6C1543 #6C6915 #156C3D

square

#15186C #6C1543 #6C6915 #156C3D

split-complementary

#15186C #6C3D15 #436C15

monochromatic

#05061A #0B0D39 #15186C #1F239F #292FD2

Accessibility & contrast

On white

15.23

#15186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#15186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15186C

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15186C	#FFFFFF	#000000	##FFFFFF
##15186C	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6E

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #15186c;
/* rgb */ color: rgb(21, 24, 108);
/* oklch */ color: oklch(27.9% 0.141 271.3);

Tailwind

colors: {
  custom: {
    50: '#645697',
    500: '#15186c',
    950: '#000000',
  },
}

SCSS

$custom: #15186c;
$custom-light: #645697;
$custom-dark: #000000;

JSON

{
  "hex": "#15186c",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 237.931,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27947,
    "c": 0.1405,
    "h": 271.3
  },
  "luminance": 0.01895
}

Semantic roles & 50–950 ramp

primary

#15186C

secondary

#A39F3A

accent

#E43DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15186C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →